@article{Soons2009,
author = {Soons, J.P.M. and Kalmijn, M.},
title= {Is marriage more than cohabitation? Well-being differences in 30 European countries},
year = {2009},
doi = {10.1111/j.1741-3737.2009.00660.x},
journal = {Journal of Marriage and Family},
volume = {71},
number = {5},
pages = {1141--1157},
}